Computer Science - IT MCQs
Topic Notes: Computer Science - IT
<p>MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.</p>
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
2031
What is a 'Server'?
Answer:
A computer or system that provides resources, data, services, or programs to other computers, known as clients
A server is a piece of computer hardware or software (computer program) that provides functionality for other programs or devices, called 'clients'.
2032
What is 'Cloud Computing'?
Answer:
The delivery of computing services—including servers, storage, databases, networking, software, analytics, and intelligence—over the Internet
Cloud computing is the on-demand availability of computer system resources, especially data storage and computing power, without direct active management by the user.
2033
What is a 'Cookie' in web browsing?
Answer:
A small text file stored on your computer by a website
A cookie is a small piece of data sent from a website and stored on the user's computer by the user's web browser while the user is browsing.
2034
What is 'Malware'?
Answer:
Malicious Software
Malware is a blanket term for viruses, worms, trojans and other harmful computer programs hackers use to wreak destruction and gain access to sensitive information.
2035
What is a 'Firewall'?
Answer:
A network security system that monitors and controls incoming and outgoing network traffic
A firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies.
2036
What does 'OS' stand for?
Answer:
Operating System
OS stands for Operating System. It is the system software that manages computer hardware, software resources, and provides common services for computer programs.
2037
Which component is often referred to as the 'brain' of the computer?
Answer:
CPU
The CPU (Central Processing Unit) is responsible for interpreting and executing most of the commands from the computer's hardware and software.
2038
What is the basic unit of digital information?
Answer:
Bit
A 'Bit' (Binary Digit) is the smallest unit of data in a computer, represented as a 0 or 1.